Lifestyle Psychology Understanding

Can there be an end to greed. Because there is so much out there but what we need and consume is very limited.

The urge of wanting is coming from where and why. Everything on Earth is ours anyway. Lifestyle, how important is it, when it comes to psychological impact.

When there will be a day, all the humans have nothing to earn, when all our serving for each other finish, when everything is automated, easy, fast.

How do I raise my children, what do I say and explain, what Lifestyle means to us?